Sunday, 21 October 2012

Exercise 4: Qcad1

Use the QCad to draw the following part.

You don't need to draw the dimensions.

You can use the grid to make it easier.

Export the drawing to a jpg file and upload it to your blog.

Due date: Wednesday, October 24th, 2012.

Exercise 3: Diodes

Diodes are electronic components that let current pass in only one direction.
Exercise 3: Upload a screenshot of the results of the exerceise on page 27.
Due date: Monday, October 22nd, 2012.


We will use this software for our technical drawings. You will find it already installed on your Guadalinex laptops.

You can also find a Windows free trial here


Wednesday, 3 October 2012

Exercise 2: Resistance and power.

A 4,5V battery is connected to a 200Ω resistor. Calculate the value of the crossing current (I) and the power dissipation (P).

Write the answers in a google drive spreadsheet; then make an entry in your blog with a link to the document.

 Due date: Sunday, October 7th, 2012.

Resistance and power

Resistors are designed to provide a constant and known resistance to the flow of the current. They are used to obtain a lower voltage than that provided by the power source.

Monday, 1 October 2012

Exercise 1: Color code for resistors

Complete the exercise of page number 8.
Upload a screenshot of the results.
Due date: Wednesday, October 3rd, 2012.

Exercise 0: Create a new blog

Create a new blog for my subject, Technology 3ºESO.
Send me the address of the blog to
Due date: Wednesday, October 3rd, 2012.